This could easily be retconned next weekend when For The Future comes out. XDDD

But, in the Red Guard AU, The Collector had turned from The Titan's destroyer to their guardian after being shown compassion by King's father! Buuuut, The Titan Trappers wanted revenge and sealed away The Collector into his prison.

He was recently freed by the efforts of Hunter Wittebane himself AKA The Red Guard, who began to become a father-figure to The Collector now named after the constellation: Orion.